Self-Authenticating of Chip Based on Intrinsic Features

1. A system for providing an authenticating service of a chip, the system comprising: an authenticating device comprising an identification engine, a self-test engine, and an intrinsic component that is unique to the chip and results from manufacturing variability, wherein the intrinsic component is associated with a chip and comprises an intrinsic feature, wherein the intrinsic feature comprises a matrix of values representing intrinsic properties of the chip, wherein a subset of the matrix of values is an intrinsic feature subset; the self-test engine configured to retrieve the intrinsic feature and communicate the intrinsic feature to the identification engine; the identification engine further configured to receive the intrinsic feature, generate a first authentication value using the intrinsic feature, and store the first authentication value in memory; the self-test engine further configured to generate a second authentication value using an authentication challenge, wherein the authentication challenge further comprises a location for each matrix value within the intrinsic feature subset; the identification engine further comprising a compare circuitry configured to compare the first authentication value and the second authentication value; and the compare circuitry further configured to generate an authentication output value based on the results of the compare of the first authentication value and the second authentication value.

2. The system according to claim 1 , wherein the authentication device is embedded on the chip or the authentication device and the chip are integrated on a board.

3. The system according to claim 1 , further comprising a database configured to control the authentication challenge and store the authentication challenge and an extrinsic feature of the authentication device, wherein the extrinsic feature is associated with the intrinsic component.

4. The system according to claim 1 , further comprising a plurality of authentication challenges.

5. The system according to claim 3 , wherein the database confirms a string of authentication output values, from the authentication device, and generates an authentication output result.

6. The system according to claim 5 , wherein the confirmation process includes at least one authentication output value from the authentication device corresponding to a match between the 1 st authentication value and 2 nd authentication value, and at least one authentication output value corresponds to a mismatch between the two.

7. The system according to claim 1 , wherein the authentication challenge comprises a location challenge.

8. The system according to claim 1 , wherein the authentication challenge comprises at least one of an identification (ID) challenge or memory challenge.

9. A method for providing an authenticating service of a chip, the method comprising: retrieving an intrinsic feature at a self-test engine, wherein the intrinsic feature is derived from an intrinsic component that is unique to the chip and results from manufacturing variability and the intrinsic feature is associated with a chip, wherein the intrinsic feature comprises a matrix of values representing intrinsic properties of the chip, wherein a subset of the matrix of values is an intrinsic feature subset; receiving the intrinsic feature at an identification engine; generating a first authentication value using the intrinsic feature at the identification engine; storing the first authentication value in memory; generating a second authentication value at the self-test engine using an authentication challenge, wherein the authentication challenge further comprises a location for each matrix value within the intrinsic feature subset; comparing the first authentication value and the second authentication value at a compare circuitry; and generating an authentication output value at the compare circuitry based on the results of the compare of the first authentication value and the second authentication value.

10. The method according to claim 9 , wherein the authentication device is embedded on the chip or the authentication device and the chip are integrated on a board.

11. The method according to claim 9 , further comprising controlling the authentication challenge at a database and storing the first authentication challenge and an extrinsic feature of the authentication device, wherein the extrinsic feature is associated with the intrinsic component.

12. The method according to claim 9 , further comprising a plurality of authentication challenges.

13. The method according to claim 11 , wherein the database confirms a string of authentication output values, from the authentication device, and generates an authentication output result.

14. The method according to 13 , wherein the confirmation process includes at least one authentication output value from the authentication device corresponding to a match between the 1 st authentication value and 2 nd authentication value, and at least one authentication output value corresponds to a mismatch between the two.

15. The method according to claim 9 , wherein the authentication challenge comprises at least one of a location challenge, identification (ID) challenge, or memory challenge.

16. A method for deploying a system for providing an authenticating service of a chip, the system comprising: providing an authenticating device comprising an identification engine, a self-test engine, and an intrinsic component that is unique to the chip and results from manufacturing variability, wherein the intrinsic component is associated with a chip and comprises an intrinsic feature, wherein the intrinsic feature comprises a matrix of values representing intrinsic properties of the chip, wherein a subset of the matrix of values is an intrinsic feature subset; the self-test engine configured to retrieve the intrinsic feature and communicate the intrinsic feature to the identification engine; the identification engine further configured to receive the intrinsic feature, generate a first authentication value using the intrinsic feature, and store the first authentication value in memory; the self-test engine further configured to generate a second authentication value using an authentication challenge, wherein the authentication challenge further comprises a location for each matrix value within the intrinsic feature subset; the identification engine further comprising a compare circuitry configured to compare the first authentication value and the second authentication value; and the compare circuitry further configured to generate an authentication output value based on the results of the compare of the first authentication value and the second authentication value.